Problem

Possible Cause

Corrective Action

Cylinder rod will not move

Cylinder shaft speed slow while extending end retracting

1.Broken drive shaft,

2.Shipping plugs left in hydraulic hoses,

3.Set screws in coupling not adjusted properly.

4, Loose shaft coupling.

5.Gear sections damaged.

6.Damaged relief valve.

7, Hydraulic lines blocked. 8, Incorrect oil level.

g.Damaged or blocked directional valve.

t.Gear sections damaged.

2.Excessive pump inlet vacuum.

3, Slow engine speed.

4.Damaged relief valve.

5.Incorrect oil level.

6.Contaminated oil,

7.Directional valve leaking internally.

8.Internally damaged cylinder,

1.Return unit to Sears service center.

2.Disconnect hydraulic hose, remove shipping plugs, and reconnect hose.

3.Refer to adjustment secfion of this manual and adjust the couplers

4.Correct engine/pump alignment.

5.Return unit to Sears service center.

6.Return unit to Sears service center.

7.Flush and clean hydraulic system,

!8. Check oil level, Refill if necessary,

9.Return unit to Sears service center

1.Return unit to Sears service center.

2.Make certain that the pump inlet hoses are clear and unblocked. Use

short, large diameter inlet hoses.

3.Return unit to Sears service center.

4.Return unitto Sears service center.

5.Check oil level. Refill if necessary.

6.Drain oil, clean reservoir, refill, make certain oil return tube is below oil lever.

7.Return unitto Sears service center.

8.Return unitto Sears service center.

Engine

runs but wood will not sprit, or

1, Small gear section damaged.

splits too slowly

 

 

2.

Pump check valve leaking.

 

 

 

 

3. Excessive vacuum in pump inlet,

 

 

 

 

4.

Incorrect oil level.

 

 

 

 

5.

Contaminated oil

 

 

 

 

6.

Directional valve leaking internally.

 

 

 

 

7.

Internally damaged cylinder.

 

 

 

 

8.

Ovedoaded cylinder.

Engine

stalls during

splitting

wood

1.

Low horsepower/weak engine.

 

 

 

 

2.

Overloaded cylinder

Engine

will not tum

or stalls

under low

1,

Engine/pump misaligned.

load

 

 

 

! 2,

Frozen or seized pump.

 

 

 

 

3,

Weak engine.

 

 

 

 

 

4.

Hydraulic lines blocked,

 

 

 

 

5.

Blocked

directional valve.

Leaking pump shaft

seal

 

1,

Broken

drive shaft.

 

 

 

 

2.

Engine/pump

misaligned.

 

 

 

 

3.

Gear sections

damaged.

 

 

 

 

4, Poorly positioned shaft seal.

 

 

 

 

5.

Oil breather plugged.

1.Return unit to Sears service center.

2.Return unit to Sears service center.

3.Make certain that the pump inlet hoses are clear and unblocked. Use short, large diameter inlet hoses.

4.Check oir level. Refill if necessary.

5.Drain oil, clean reservoir, refill, make certain oil return tube is below oil level.

6.Return unitto Sears service center.

7.Return unit to Sears service center.

8.Do not attempt to splitwood against the grain.

1.Return unit to Sears service center.

2.Do not attempt to splitwood against

the grain. If engine stalls repeatedly, contact Sears service center.

1.Correct alignment.

2.Return unit to Sears service center.

3.Return unit to Sears service center.

4.Flush and clean hydraulic system.

5.Return unit to Sears service center

1.Return unit to Sears service center.

2.Correct alignment.

3.Return unit to Sears service center.

4.Return unit to Sears service center.

5.Make certain reservoir is properly vented.

18

Page 17 Page 19
Page 18
Image 18
Craftsman 247.79452 owner manual Problem Possible Cause Corrective Action
Page 17 Page 19

247.79452 specifications

The Craftsman 247.79452 is a versatile and efficient snow blower designed to tackle the toughest winter conditions. It is an ideal choice for homeowners looking to maintain their driveways, sidewalks, and outdoor spaces free from heavy snowfall. This powerful machine blends user-friendly features with advanced technology to provide a reliable snow-clearing solution.

One of the standout features of the Craftsman 247.79452 is its robust 24-inch clearing width, allowing users to quickly and effectively clear large areas with each pass. The 208cc engine offers impressive power, enabling it to handle wet, heavy snow with ease, making it suitable for a variety of snowfall conditions. The electric start technology further enhances convenience, allowing users to start the machine effortlessly with the push of a button, sparing them from the hassle of pulling cords in cold weather.

The snow blower is equipped with a 2-stage system that efficiently lifts snow and discharges it through a chute. The adjustable chute allows for a 180-degree rotation, giving users the flexibility to direct snow away from driveways and pathways, preventing unnecessary buildup. This feature is particularly beneficial for homeowners with large driveways or those living in areas that receive significant snowfall.

Another notable characteristic is its self-propelled capability, which helps users navigate through deep snow without excessive effort. The Craftsman 247.79452 offers multiple speed settings, allowing for both forward and reverse motion, making it easier to maneuver in tight spaces and around obstacles.

Durability is a key aspect of the Craftsman brand, and the 247.79452 is no exception. Built with high-quality materials, this snow blower is designed to withstand the rigors of winter use while providing long-lasting performance. The heavy-duty auger and impeller are engineered for optimal snow clearing, minimizing the risk of clogging even in challenging conditions.

In conclusion, the Craftsman 247.79452 snow blower combines power, convenience, and durability to make snow removal a much simpler task. Its innovative features, such as the electric start, self-propelled capability, and adjustable chute, provide users with a reliable instrument for managing winter storms. With the Craftsman 247.79452 in your arsenal, you can confidently tackle whatever Mother Nature throws your way.
Top Page Image Contents